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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <link rel="stylesheet" href="./css/reset.css">
    <style>
        /*设置图片的容器*/
        .img-list{
            width: 381px;
            height: 301px;
            margin: 100px auto;
            /*为ul开启相对定位,目的是使ul中的pointer可以相对于ul定位而不是相对于初始包含块(html)去定位*/
            position: relative;
        }
        /*设置li*/
        .img-list li{
            position: absolute;
        }
        /*通过修改元素的层级来显示指定的图片*/
        .img-list li:nth-child(4){
            z-index: 1;
        }

        /*设置导航点的样式*/
        .pointer{
            position: absolute;
            z-index: 9999;
            bottom: 20px;
            left: 40px;
        }
        .pointer a{
            /*设置元素向左浮动*/
            float: left;
            width: 10px;
            height: 10px;
            margin: 0px 2px;
            border-radius: 50%;
            background-color: rgba(255,255,255,.3);
            /*将背景颜色设置到内容区,边框和内边距不再有背景颜色*/
            background-clip: content-box;
            border: 2px solid transparent;
        }
        .pointer a.active,
        .pointer a:hover{
            background-color: #fff;
            border: 2px solid rgba(255,255,255,.3);
        }
    </style>
</head>
<body>
    <ul class="img-list">
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>
        <li><a href="javascript:;"><img src="./picture/f0cabd1e967016b6.png.webp" alt=""></a></li>

        <div class="pointer">
            <a class="active" href="javascript:;"></a>
            <a href="javascript:;"></a>
            <a href="javascript:;"></a>
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            <a href="javascript:;"></a>
        </div>
    </ul>
</body>
</html>